CN211145088U

CN211145088U - Automobile connecting rod structure

Info

Publication number: CN211145088U
Application number: CN201922018456.1U
Authority: CN
Inventors: 夏宁
Original assignee: Ningbo Unior Forging Co ltd
Current assignee: Ningbo Unior Forging Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-31
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a car connecting rod structure, the utility model relates to a car connecting rod technical field, car connecting rod structure includes: the left end of the connecting rod is welded with a large head integrated with the connecting rod, the right end of the connecting rod is welded with a small head integrated with the connecting rod, the large head is divided into an upper half ring and a bearing cover, the bearing cover is symmetrically arranged on the left side of the upper half ring, a first side block is horizontally welded in the middle of the front side and the rear side of the bearing cover close to the edge of the right side, a threaded rod is horizontally welded in the middle of the right side of the first side block, a second side block is horizontally fixed in the middle of the front side and the rear side of the upper half ring close to the edge of the left side, and a positioning sleeve communicated with the second; the locking piece comprises a threaded sleeve, a hexagonal plate and a round block, and the hexagonal plate is sleeved in the middle of the outer side of the threaded sleeve and fixedly connected with the threaded sleeve into a whole; the beneficial effects of the utility model reside in that: under the condition of ensuring the split type of the big head, the integrity and the connectivity of the big head assembled can be enhanced.

Description

Automobile connecting rod structure

Technical Field

The utility model belongs to the technical field of the car connecting rod technique and specifically relates to a car connecting rod structure is related to.

Background

The connecting rod is a rod-like member connecting the piston and the crankshaft. Its effect is that the huge pressure that bears the piston transmits the bent axle for the bent axle, makes the bent axle make circular motion, and some current connecting rod structures, the major part wherein divide into two parts, and these two parts make the major part become split type, but when assembling these two parts, the fixity is not strong enough, the poor phenomenon of wholeness appears very easily, and then influences the normal work of connecting rod.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the big head connectivity among the present connecting rod structure is not strong, the wholeness is poor, the utility model aims at providing an automobile connecting rod structure.

In order to realize the purpose, the utility model discloses following technical scheme of sampling: an automotive connecting rod structure, the automotive connecting rod structure comprising:

the left end of the connecting rod is welded with a large end integrated with the connecting rod, the right end of the connecting rod is welded with a small end integrated with the connecting rod, the large end is divided into an upper half ring and a bearing cover, the bearing cover is symmetrically arranged on the left side of the upper half ring, a first side block is horizontally welded in the middle of the front side and the rear side of the bearing cover close to the right edge, a threaded rod is horizontally welded in the middle of the right side of the first side block, a second side block is horizontally fixed in the middle of the front side and the rear side of the upper half ring close to the left edge, and a positioning sleeve communicated with the second side block is horizontally penetrated in the middle of the inner part of the;

the retaining member, the retaining member includes threaded sleeve, hexagonal plate and disk, just the hexagonal plate embolias in threaded sleeve outside intermediate position and as an organic whole rather than fixed connection, the disk is fixed in the hexagonal plate left surface and surrounds in the threaded sleeve outside, just threaded hole is opened to the threaded sleeve left end, the disk outer wall is opened along the axis has round evenly distributed's nibbling groove.

Preferably, the right end of the upper half ring is welded with the connecting rod, and the positioning sleeve corresponds to the threaded rod left and right.

Preferably, the right end of the threaded rod penetrates through the positioning sleeve and enables the upper half ring to be in threaded connection with the bearing cover.

Preferably, the outer side of the right end of the positioning sleeve is sleeved with a fixing ring, a through hole is formed in the center of the right side of the fixing ring, a circle of circular groove is formed in the outer side of the right side of the fixing ring, and a circle of uniformly distributed rodent teeth is fixed on the inner wall of the circular groove.

Preferably, the threaded sleeve diameter is smaller than the fixed ring diameter, and the threaded rod end is inserted into the threaded hole and fixed in threaded connection therewith, so that the threaded sleeve left end is inserted into the circular groove, and the rodent is engaged with the meshing groove.

Preferably, a round hole is formed in the center of the upper surface of the small head, and a bronze bushing is fixed in the round hole.

Preferably, the inner walls of the upper half ring and the bearing cap are fixed with connecting rod bearings, the two connecting rod bearings are arranged in bilateral symmetry, and the inner walls of the two connecting rod bearings are poured with an antifriction alloy layer.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: the bearing cover and the upper half ring are arranged in bilateral symmetry, the right end of the threaded rod passes through the positioning sleeve in the side block II, the phenomenon of deviation of the threaded rod when the threaded rod is inserted into the side block II can be avoided by utilizing the positioning sleeve, the assembly accuracy of the big end is improved, and thus the bearing cover and the upper half ring are connected together, meanwhile, the split type big head is integrated, after the right end of the threaded rod passes through the positioning sleeve, the threaded sleeve in the locking piece is connected to the tail end of the threaded rod through the threaded hole, the threaded sleeve is slowly screwed to the left side, and the left end of the threaded sleeve is slowly inserted into the circular groove in the fixed ring, and the meshing groove in the circular block is meshed with the rodent in the circular groove, the hexagonal plate is attached to the right side of the fixing ring, the fixing performance of the threaded rod in the positioning sleeve can be enhanced by the aid of the locking piece, and the bearing sleeve in the large head and the upper half ring are locked and reinforced.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic overall top view structure of the present invention;

FIG. 2 is a schematic side view of the fixing ring of the present invention;

FIG. 3 is a schematic view of the overall front view structure of the present invention;

fig. 4 is a schematic view of the locking member of the present invention.

The labels in the figure are: the connecting rod comprises a connecting rod 1, a small head 101, a round hole 102, a bronze bushing 103, a large head 104, an upper half ring 105, a bearing cap 106, a connecting rod bearing 107, a wear-reducing alloy layer 108, a first side block 109, a threaded rod 110, a second side block 111, a positioning sleeve 112, a fixing ring 113, a through hole 114, a round groove 115, a rodent 116, a locking member 2, a threaded sleeve 201, a threaded hole 202, a hexagonal plate 203, a round block 204 and a meshing groove 205.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

In order to realize the purpose, the utility model discloses following technical scheme of sampling: car connecting rod structure, car connecting rod structure includes:

the left end of the connecting rod 1 is welded with a large end 104 which is integrated with the connecting rod 1, the right end of the connecting rod 1 is welded with a small end 101 which is integrated with the connecting rod 1, the large end 104 is divided into an upper half ring 105 and a bearing cover 106, the bearing cover 106 is symmetrically arranged on the left side of the upper half ring 105, a first side block 109 is horizontally welded at the position close to the right edge in the middle of the front side and the rear side of the bearing cover 106, a threaded rod 110 is horizontally welded at the middle of the right side of the first side block 109, a second side block 111 is horizontally fixed at the position close to the left edge in the middle of the front side and the rear side of the upper half ring 105, a positioning sleeve 112 communicated with the second side block 111 horizontally penetrates through the middle of the inner part of the second side block 111, the right end of the upper half ring 105 is welded with the connecting rod 1; specifically, when a user assembles the bearing cover 106 and the upper half ring 105 in the large head 104, the bearing cover 106 and the upper half ring 105 are arranged in bilateral symmetry, the first side block 109 corresponds to the second side block 111, then the user can enable the right end of the threaded rod 110 to penetrate through the positioning sleeve 112 in the second side block 111, the phenomenon that the threaded rod 110 is deviated when being inserted into the second side block 111 can be avoided by using the positioning sleeve 112, the assembling accuracy of the large head 104 is improved, the bearing cover 106 and the upper half ring 105 are connected together, and meanwhile, the split large head 104 is integrated;

the locking member 2 comprises a threaded sleeve 201, a hexagonal plate 203 and a round block 204, the hexagonal plate 203 is sleeved in the middle position of the outer side of the threaded sleeve 201 and fixedly connected with the threaded sleeve as a whole, the round block 204 is fixed on the left side of the hexagonal plate 203 and surrounds the outer side of the threaded sleeve 201, the threaded sleeve 201 is provided with a threaded hole 202 at the left end, the outer wall of the round block 204 is provided with a circle of uniformly distributed engaging grooves 205 along the axis, the outer side of the right end of the positioning sleeve 112 is sleeved with a fixing ring 113, the center of the right side of the fixing ring 113 is provided with a through hole 114, the outer side of the right side of the fixing ring 113 is provided with a circle of round grooves 115, the inner wall of the round grooves 115 is fixed with a circle of uniformly distributed engaging teeth 116, the diameter of the threaded sleeve 201 is smaller than that of the fixing ring 113, and the tail end of the threaded rod 110 is inserted into;

furthermore, after the right end of the threaded rod 110 passes through the positioning sleeve 112, the user can screw the threaded sleeve 201 in the locking member 2 to the end of the threaded rod 110 through the threaded hole 202, and make the threaded rod 110 and the locking member 2 connected into a whole, the user can slowly screw the threaded sleeve 201 to the left side, and make the left end of the threaded sleeve 201 slowly inserted into the round groove 115 in the fixing ring 113, and the engaging groove 205 in the round block 204 will also engage with the rodent 116 in the round groove 115, wherein the hexagonal plate 203 is attached to the right side of the fixing ring 113, and not only the fixation of the threaded rod 110 in the positioning sleeve 112 can be enhanced by using the locking member 2, but also the bearing sleeve in the large head 104 and the upper half ring 105 can be locked and reinforced; a round hole 102 is formed in the center of the upper surface of the small head 101, and a bronze bushing 103 is fixed in the round hole 102; specifically, through the round hole 102 and the bronze bushing 103, a user can conveniently insert the piston pin to be connected with the piston.

Connecting rod bearings 107 are fixed on the inner walls of the upper half ring 105 and the bearing cap 106, the two connecting rod bearings 107 are arranged in bilateral symmetry, and a layer of antifriction alloy layer 108 is poured on the inner walls of the two connecting rod bearings 107;

specifically, friction between the journal of the connecting rod 1 and the connecting rod bearing 107 can be effectively reduced by the friction-reducing alloy layer 108 in the connecting rod bearing 107.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Automobile connecting rod structure, its characterized in that, automobile connecting rod structure includes:

the connecting rod (1), a large head (104) integrated with the connecting rod is welded at the left end of the connecting rod (1), a small head (101) integrated with the connecting rod is welded at the right end of the connecting rod (1), the large head (104) is divided into an upper half ring (105) and a bearing cover (106), the bearing cover (106) is symmetrically arranged at the left side of the upper half ring (105), a first side block (109) is horizontally welded at the middle of the front side and the rear side of the bearing cover (106) close to the right side edge, a threaded rod (110) is horizontally welded at the middle of the right side of the first side block (109), a second side block (111) is horizontally fixed at the middle of the front side and the rear side of the upper half ring (105) close to the left side edge, and a positioning sleeve (112) communicated with the second side block (111) is horizontally penetrated through;

retaining member (2), retaining member (2) are including threaded sleeve (201), hexagonal plate (203) and circle piece (204), just hexagonal plate (203) embolia in threaded sleeve (201) outside intermediate position and as an organic whole rather than fixed connection, circle piece (204) are fixed in hexagonal plate (203) left surface and encircle in threaded sleeve (201) outside, just threaded sleeve (201) left end is opened threaded hole (202), circle piece (204) outer wall is opened along the axis has round evenly distributed's nibbling groove (205).

2. The vehicular link structure according to claim 1, wherein: the right end of the upper half ring (105) is welded with the connecting rod (1), and the positioning sleeve (112) corresponds to the threaded rod (110) in the left-right direction.

3. The vehicular link structure according to claim 2, wherein: the right end of the threaded rod (110) penetrates through the positioning sleeve (112) and enables the upper half ring (105) to be in threaded connection with the bearing cover (106).

4. The vehicular link structure according to claim 1, wherein: the outer side of the right end of the positioning sleeve (112) is sleeved with a fixing ring (113), a through hole (114) is formed in the center of the right side of the fixing ring (113), a circle of circular groove (115) is formed in the outer side of the right side of the fixing ring (113), and a circle of uniformly distributed rodent (116) is fixed on the inner wall of the circular groove (115).

5. The vehicular link structure according to claim 4, wherein: the diameter of the threaded sleeve (201) is smaller than that of the fixing ring (113), and the tail end of the threaded rod (110) is inserted into the threaded hole (202) and is fixedly connected with the threaded hole in a threaded mode, so that the left end of the threaded sleeve (201) is inserted into the circular groove (115), and the rodent (116) is meshed with the meshing groove (205).

6. The vehicular link structure according to claim 1, wherein: a round hole (102) is formed in the center of the upper surface of the small head (101), and a bronze bushing (103) is fixed in the round hole (102).

7. The vehicular link structure according to claim 1, wherein: connecting rod bearings (107) are fixed on the inner walls of the upper half ring (105) and the bearing cover (106), the two connecting rod bearings (107) are arranged in bilateral symmetry, and a friction reducing alloy layer (108) is poured on the inner walls of the two connecting rod bearings (107).